Question
PSLE
A folder costs $3 more than a post-it pad. The total cost of 5 such folders is $4z.
  1. Express the cost of 20 such folders in terms of z.
  2. Express the cost of the post-it pad in terms of z.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
A folder costs $3 more than a post-it pad. The total cost of 5 such folders is $4z.
  1. Express the cost of 20 such folders in terms of z.
  2. Express the cost of the post-it pad in terms of z.